Case 28 — Angiogram

This angiogram was taken after the dog was anesthetized. A surgical cut-down on the right carotid artery was performed. A catheter was advanced from the carotid artery into the brachiocephalic trunk where an injection of iodinated contrast material was made. The radiographic image is from the area of the swelling on the right forelimb and is taken during the injection of the contrast agent.

Angiogram of the right forelimb showing a plethora of blood vessels (arteries and veins) admixed together in the region of the swelling, consistent with an arteriovenous fistula.
Angiogram of the right forelimb.

Quiz

1. What do you see?